Home / 11,970.24-17,955.45-4,179.06

Finding the Fourth Proportional to 11,970.24, 17,955.45 and 4,179.06

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Solution

The fourth proportional to 11,970.24, 17,955.45 and 4,179.06 is: 6,268.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,970.24 : 17,955.45 = 4,179.06 : x
  2. Step 2: Convert to fraction form
    11,970.24/17,955.45 = 4,179.06/x
  3. Step 3: Cross multiply
    11,970.24x = 17,955.45 × 4,179.06
  4. Step 4: Simplify right side
    11,970.24x = 75,036,902.88
  5. Step 5: Solve for x
    x = 75,036,902.88/11,970.24
  6. Step 6: Final answer
    x = 6,268.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.